Helf
[医][=human embryonic lung fibroblast]人胚肺成纤维细胞
🗣️ 情景例句
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
How much cloth did you want to order?
你想要多少布料？
We succeeded in lighting the fire.
我们成功地点着火。